389686012 has 6 divisors (see below), whose sum is σ = 681950528. Its totient is φ = 194843004.

The previous prime is 389686007. The next prime is 389686057. The reversal of 389686012 is 210686983.

It is a self number, because there is not a number n which added to its sum of digits gives 389686012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48710748 + ... + 48710755.

Almost surely, 2^389686012 is an apocalyptic number.

It is an amenable number.

389686012 is a deficient number, since it is larger than the sum of its proper divisors (292264516).

389686012 is a wasteful number, since it uses less digits than its factorization.

389686012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97421507 (or 97421505 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 389686012 is about 19740.4663572065. The cubic root of 389686012 is about 730.4182328485.

The spelling of 389686012 in words is "three hundred eighty-nine million, six hundred eighty-six thousand, twelve".